Grassland. No matter which continent, grasslands support a wide variety of animal life. Large numbers of birds, grazing mammals, reptiles, insects and predators live throughout the grasslands of the world.rassland. No matter which continent, grasslands support a wide variety of animal life. Large numbers of birds, grazing mammals, reptiles, insects and predators live throughout the grasslands of the world.
aseptic packaging. Process in which a food product, such as ultra high temperature (UHT) milk) and its package is sterilized separately and then combined and sealed under sterilized atmosphere. In comparison, in a canning process both the item and packaging are sealed as one unit and then heated to sterilize them together.
In a research lab, the aseptic technique is used to avoid contamination of pure cultures. The aseptic technique is critical for the success of plant and animal cell, tissue and organ cultures.ince the pioneering work of such surgeons as Joseph Lister, who introduced the use of carbolic acid antiseptics in 1865, and William Halstead, who advocated the use of surgical gloves in 1898, surgeons have striven to eliminate surgical infections through the use of aseptic technique.